---- She looks happy. She ________ have passed the exam.---- I guess so. It’s not difficult after all.
It is none of your business __________ other people think about you. Believe yourself.
You can only be sure of __________ you have at present; you cannot be sure of something __________ you might get in the future.
A warm thought suddenly came to me __________ I might use the pocket money to buy some flowers for my mother’s birthday.
These shoes look very good. I wonder __________.
—What did your parents think about your decision? —They always let me do __________I think I should.